Tumbler



FIG. 1 is a perspective view of a first embodiment of a tumbler showing my new design;

FIG. 2 is a front view thereof; the rear, right side and left side views being identical;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a perspective view of a second embodiment of a tumbler;

FIG. 6 is a front view thereof; the rear, right side and left side views being identical;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof

The broken lines in the drawing depict portions of the tumbler that form no part of the claimed design. 

CLAIM The ornamental design for a tumbler, as shown and described. 